Fix some more warnings

crates/collab_ui2/src/collab_titlebar_item.rs

@@ -233,9 +233,11 @@ impl Render for CollabTitlebarItem {
                                 .child(IconButton::new("leave-call", ui::Icon::Exit).on_click({
                                     let workspace = workspace.clone();
                                     move |_, cx| {
-                                        workspace.update(cx, |this, cx| {
-                                            this.call_state().hang_up(cx).detach();
-                                        });
+                                        workspace
+                                            .update(cx, |this, cx| {
+                                                this.call_state().hang_up(cx).detach();
+                                            })
+                                            .log_err();
                                     }
                                 })),
                         )

crates/collab_ui2/src/face_pile.rs

@@ -1,8 +1,6 @@
 use gpui::{
-    div, AnyElement, Div, IntoElement as _, ParentElement as _, Render, RenderOnce, Styled,
-    ViewContext, WindowContext,
+    div, AnyElement, Div, IntoElement as _, ParentElement as _, RenderOnce, Styled, WindowContext,
 };
-use ui::Avatar;
 
 #[derive(Default)]
 pub(crate) struct FacePile {